太湖西部环湖河道悬浮物输移速率及变化特征
|
摘要
悬浮物(SS)的外部输入对湖泊SS总量变化及物质循环具有重要影响,本文基于逐月的水文与悬浮物同步观测,研究了太湖西部主要河道的SS输移速率及其时空变化.结果表明,太湖入湖SS浓度年内变化较为稳定,而出湖浓度在冬季(12月、1月、2月)高于同期入湖浓度,其他月份出湖浓度下降并低于同期入湖浓度.太湖西部SS主要通过城东港和百渎港进入太湖,年平均输入速率占太湖西部总输入速率的38.7%和12.1%;通过长兜港、太浦河和大钱港输出太湖,年平均输出速率分别占总输出速率的44.9%、24.8%和11.9%.SS总输移速率存在较大的年内变化,净输入速率为1289.5 g·s-1.
The external input of suspended solids( SS) has an significant influence on the total SS in Lake Taihu. In this study,the spatial and temporal of transport rate of SS in the rivers around western Lake Taihu was studied by 12 months of monitoring. The results show that the SS concentration of outflows was higher than that of inflow in winter( December,January,and February). However,the results are contrary for the rest of the year. The SS mainly flows into Lake Taihu via Chengdong and Baidu rivers,accounting for 38.7% and 12.1% of the total input rate,respectively. SS mainly flows out of the lake via Changdou,Taipu and Daqian rivers,accounting for 44.9%,24.8% and 11.9% of the total output rate,respectively. The total transport rate of SS was varied in different months,with a net input rate of 1289.5 g·s-1.
The external input of suspended solids( SS) has an significant influence on the total SS in Lake Taihu. In this study,the spatial and temporal of transport rate of SS in the rivers around western Lake Taihu was studied by 12 months of monitoring. The results show that the SS concentration of outflows was higher than that of inflow in winter( December,January,and February). However,the results are contrary for the rest of the year. The SS mainly flows into Lake Taihu via Chengdong and Baidu rivers,accounting for 38.7% and 12.1% of the total input rate,respectively. SS mainly flows out of the lake via Changdou,Taipu and Daqian rivers,accounting for 44.9%,24.8% and 11.9% of the total output rate,respectively. The total transport rate of SS was varied in different months,with a net input rate of 1289.5 g·s-1.
引文
高永霞,宋玉芝,于江华,等.2016.环太湖不同性质河流水体磷的时空分布特征[J].环境科学,37(4):1404-1412
郭加汛,彭俊翔,张海涛,等.2017.太湖流域典型河流含氮物消减速率研究[J].中国环境科学,38(1):95-103
何锡君,王贝,刘光裕,等.2012.2010-2011水文年浙江省环太湖河道水质水量及污染物通量[J].湖泊科学,24(5):658-662
Hu W P,Jorgensen S E,Zhang F B.2006.A vertical-compressed threedimensional ecological model in Lake Taihu,China[J].Ecological Modelling,190:367-398
金晶,袁旭音,陈诗文,等.2017.太湖流域上游东苕溪干流沉积物和悬浮物的氮形态分布及影响因素[J].湖泊科学,29(3):594-603
李乐,王圣瑞,王海芳,等.2016.滇池入湖河流磷负荷时空变化及形态组成贡献[J].湖泊科学,28(5):951-960
李一平,王建威,姜龙,等.2017.浅水湖泊动力作用下水-土界面底泥起悬驱动力野外观测[J].湖泊科学,29(1):43-51
吕学研,张咏,徐亮,等.2016.典型入太湖河流夏-秋季氮素污染变化特征[J].水利水运工程学报,(5):9-15
逄勇,庄巍,韩涛,等.2008.风浪扰动下的太湖悬浮物实验与模拟[J].环境科学,29(10):2743-2748
祁闯,王国祥,吴馨婷,等.2017.太湖湖滨带春季悬浮物沉降特征与水体营养盐响应[J].环境科学,38(1):95-103
秦伯强,张运林,高光,等.2014.湖泊生态恢复的关键因子分析[J].地理科学进展,33(7):918-924
唐晓先,蒋晨韵,王璨,等.2017.巢湖西半湖总磷浓度对入湖总磷负荷的响应[J].环境科学与技术,40(S1):176-180
王倩,吴亚东,丁庆玲,等.2017.西太湖入湖河流水系污染时空分异特征及解析[J].中国环境科学,37(7):2699-2707
吴庆乐,阮晓红,吴朝明,等.2015.太湖西部河湖氮污染物来源及转化途径分析[J].环境科学学报,35(12):3883-3889
燕姝雯,余辉,张璐璐,等.2011.2009年环太湖入出湖河流水量及污染负荷通量[J].湖泊科学,23(6):855-862
易娟,徐枫,高怡,等.2016.2007年以来环太湖22条主要河流水质变化及其对太湖的影响[J].湖泊科学,28(6):1167-1174
查慧铭,朱梦圆,朱广伟,等.2018.太湖出入湖河道与湖体水质季节差异分析[J].环境科学,DOI:10.13227/j.hjkx.201707184
翟淑华,张红举.2006.环太湖河流进出湖水量及污染负荷(2000-2002年)[J].湖泊科学,18(3):225-230
张运林,秦伯强,陈伟民,等.2004.悬浮物浓度对水下光照和初级生产力的影响[J].水科学进展,15(5):615-620
Zhang Y L,Zhang B,Ma R H,et al.2007.Optically active substances and their contributions to the underwater light climate in Lake Taihu,a large shallow lake in China[J].Fundamental and Applied Limnology,170(1):11-19
郭加汛,彭俊翔,张海涛,等.2017.太湖流域典型河流含氮物消减速率研究[J].中国环境科学,38(1):95-103
何锡君,王贝,刘光裕,等.2012.2010-2011水文年浙江省环太湖河道水质水量及污染物通量[J].湖泊科学,24(5):658-662
Hu W P,Jorgensen S E,Zhang F B.2006.A vertical-compressed threedimensional ecological model in Lake Taihu,China[J].Ecological Modelling,190:367-398
金晶,袁旭音,陈诗文,等.2017.太湖流域上游东苕溪干流沉积物和悬浮物的氮形态分布及影响因素[J].湖泊科学,29(3):594-603
李乐,王圣瑞,王海芳,等.2016.滇池入湖河流磷负荷时空变化及形态组成贡献[J].湖泊科学,28(5):951-960
李一平,王建威,姜龙,等.2017.浅水湖泊动力作用下水-土界面底泥起悬驱动力野外观测[J].湖泊科学,29(1):43-51
吕学研,张咏,徐亮,等.2016.典型入太湖河流夏-秋季氮素污染变化特征[J].水利水运工程学报,(5):9-15
逄勇,庄巍,韩涛,等.2008.风浪扰动下的太湖悬浮物实验与模拟[J].环境科学,29(10):2743-2748
祁闯,王国祥,吴馨婷,等.2017.太湖湖滨带春季悬浮物沉降特征与水体营养盐响应[J].环境科学,38(1):95-103
秦伯强,张运林,高光,等.2014.湖泊生态恢复的关键因子分析[J].地理科学进展,33(7):918-924
唐晓先,蒋晨韵,王璨,等.2017.巢湖西半湖总磷浓度对入湖总磷负荷的响应[J].环境科学与技术,40(S1):176-180
王倩,吴亚东,丁庆玲,等.2017.西太湖入湖河流水系污染时空分异特征及解析[J].中国环境科学,37(7):2699-2707
吴庆乐,阮晓红,吴朝明,等.2015.太湖西部河湖氮污染物来源及转化途径分析[J].环境科学学报,35(12):3883-3889
燕姝雯,余辉,张璐璐,等.2011.2009年环太湖入出湖河流水量及污染负荷通量[J].湖泊科学,23(6):855-862
易娟,徐枫,高怡,等.2016.2007年以来环太湖22条主要河流水质变化及其对太湖的影响[J].湖泊科学,28(6):1167-1174
查慧铭,朱梦圆,朱广伟,等.2018.太湖出入湖河道与湖体水质季节差异分析[J].环境科学,DOI:10.13227/j.hjkx.201707184
翟淑华,张红举.2006.环太湖河流进出湖水量及污染负荷(2000-2002年)[J].湖泊科学,18(3):225-230
张运林,秦伯强,陈伟民,等.2004.悬浮物浓度对水下光照和初级生产力的影响[J].水科学进展,15(5):615-620
Zhang Y L,Zhang B,Ma R H,et al.2007.Optically active substances and their contributions to the underwater light climate in Lake Taihu,a large shallow lake in China[J].Fundamental and Applied Limnology,170(1):11-19